Question

the length of a rectangular field is increased by 50% and its breadth is decreased by 50% to form a new rectangular field find the percentage change in the area of the field?​

Answer 1

Answer:

Orginial length = 100

B = 100

area = 10000

After change = 150 = L

B = 50

Are@ = 7500

% change = 2500/10000 = 0.25